a classroom in which all students in a particular grade (or in a division of a grade) meet at certain times under the supervision of a teacher who takes attendance and does other administrative business
horsewhip
Noun
a whip for controlling horses
horsewhip
Verb
whip with a whip intended for horses
hula-hoop
Noun
plaything consisting of a tubular plastic hoop for swinging around the hips
hula hoop
Noun
plaything consisting of a tubular plastic hoop for swinging around the hips
hinging post
Noun
the gatepost on which the gate is hung
homestead
Noun
dwelling that is usually a farmhouse and adjoining land
homestead
Noun
land acquired from the United States public lands by filing a record and living on and cultivating it under the homestead law
homestead
Noun
the home and adjacent grounds occupied by a family
homestead
Verb
settle land given by the government and occupy it as a homestead
hulk
Noun
a ship that has been wrecked and abandoned
hulk
Noun
a very large person
hulk
Verb
appear very large or occupy a commanding position
hose
Verb
water with a hose
hose
Noun
a flexible pipe for conveying a liquid or gas
hose
Noun
man's close-fitting garment of the 16th and 17th centuries covering the legs and reaching up to the waist
hose
Noun
socks and stockings and tights collectively (the British include underwear)
hip boot
Noun
a very high boot
homestretch
Noun
the end of an enterprise
homestretch
Noun
the straight stretch of a racetrack leading to the finish line
hull
Noun
the frame or body of ship
hull
Noun
persistent enlarged calyx at base of e.g. a strawberry or raspberry
hull
Noun
dry outer covering of a fruit or seed or nut
hull
Verb
remove the hulls from
hydraulic system
Noun
a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube
hydraulic transmission
Noun
a transmission that depends on a hydraulic system
hydraulic transmission system
Noun
a transmission that depends on a hydraulic system
hydrochlorothiazide
Noun
a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension
hydroelectric turbine
Noun
turbine consisting of a large and efficient version of a water wheel used to drive an electric generator
hydroflumethiazide
Noun
diuretic used to treat hypertension and edema
hydrofoil
Noun
a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
hydrofoil
Noun
a device consisting of a flat or curved piece, as a metal plate, so that its surface reacts to the water it is passing through
hydroplane
Noun
a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
hydroplane
Noun
an airplane that can land on or take off from water
hydroplane
Verb
glide on the water in a hydroplane
hydrogen bomb
Noun
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
H-bomb
Noun
a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
hydrometer
Noun
a measuring instrument for determining the specific gravity of a liquid or solid
hydromorphone hydrochloride
Noun
a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
hydromorphone
Noun
a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
hydroxychloroquine
Noun
anti-inflammatory drug (trade name Plaquenil) used in the treatment of rheumatoid arthritis and malaria and lupus erythematosus
hydroxyzine hydrochloride
Noun
a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness
hydroxyzine
Noun
a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness
hygrodeik
Noun
a wet and dry bulb hygrometer
hygrometer
Noun
measuring instrument for measuring the relative humidity of the atmosphere
hygroscope
Noun
hygrometer that shows variations in the relative humidity of the atmosphere
hyoscyamine
Noun
a poisonous crystalline alkaloid (isometric with atropine but more potent)
hyperbaric chamber
Noun
a large chamber in which the oxygen pressure is above normal for the atmosphere